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<h2>2.2.2. The Data Tab</h2>

<p>
	There are three major databases in our application.  One database consists of all
	instructors, one consists of all rooms, one consists of all courses.  These databases
	need to be maintained by an administrator (i.e. the department scheduler).  This individual or 
	individuals will be responsible for adding the appropriate items to each database initially.  This
	is an initial start-up cost.  All rooms, instructors and courses will need to be manually entered 
	into these databases.  Although this is extremely tedious, it is a <strong>one-time</strong>
	task.  Once all items have been added to the databases, they can be viewed, edited, added to,
	deleted from, etc.  These UI scenarios display those types of functionality within our application.
	It is important to note that editing of this information is a <strong>copy</strong> of the permanent 
	information stored in the central database.  This information can change <strong>per</strong> schedule
	and thus is a copy.  The administrator does have access to edit all permanent information.  The instructors
	only have access to the permanent versions of their personal preferences.
</p>

<div>
	<a href="instructors.html">2.2.1. Instructors Sub-Tab</a><br />
	<a href="courses.html">2.2.2. Course Sub-Tab</a><br />
	<a href="rooms.html">2.2.3. Rooms Sub-Tab</a>
</div>


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